import {Loading} from 'element-ui'

let loadingCount = 0;
let loading;

  const startLoading = () => {
    loading = Loading.service({
      lock: true,
      text: '数据加载中……',
      spinner: 'el-icon-loading',
      background: 'rgba(0, 0, 0, 0.7)'
    });
  };
  
  const endLoading = () => {
    loading.close();
  };
  
  export const showLoading = () => {
  
    if (loadingCount === 0) {
      startLoading();
    }
    loadingCount += 1;
  };
  
  export const hideLoading = () => {
 
    if (loadingCount <= 0) {
      return;
    }
    loadingCount -= 1;
    if (loadingCount === 0) {
      endLoading();
    }
  };